Closed dan1994 closed 5 years ago
We use a BiMap<char, std::pair<...>>, which creates a std::unordered_map<std::pair<...>, char>. But std::unordered_map requires its key type to be hashable, and apparently std::pair is not hashable by default.
BiMap<char, std::pair<...>>
std::unordered_map<std::pair<...>, char>
std::unordered_map
std::pair
We use a
BiMap<char, std::pair<...>>, which creates astd::unordered_map<std::pair<...>, char>. Butstd::unordered_maprequires its key type to be hashable, and apparentlystd::pairis not hashable by default.